Mammillaria karwinskianasubsp.nejapensisis a highly variable subspecies , particularly in terms of the length of its spur . Its efflorescence are white with midveins tinted red , and have 3 to 5 radial spines and no primal spines . On the other handwriting , Mammillaria karwinskianasubsp.karwinskianahas cream to medium - chicken flowers with purplish midveins , usually six radial spines , and no key vertebral column .
Mammillaria karwinskianasubsp.nejapensis(R.T.Craig & E.Y.Dawson ) D.R.Hunt
Owl Eyes , Owl eye Cactus , Royal Cross , Royal Cross Cactus , Silver Arrows
In cultivation, Staten Island, New York, United States. Photo by Kira Kology. Used with permission. All rights reserved.
Mammillaria geminatasubsp.nejapensis , Mammillaria nejapensis , Neomammillaria nejapensis
kinfolk : CactaceaeSubfamily : CactoideaeTribe : CacteaeSubtribe : CactinaeGenus : Mammillaria
The specific epithet " nejapensis(pronounced ne - juh - PEN - sis ) " refers to the occurrent of this subspecies nearNejapa de Madero , a townsfolk and municipality in Oaxaca in southwest Mexico .
In cultivation, South San Francisco, California, United States. Photo by J Devin Fox. Used with permission. All rights reserved.
Mammillaria karwinskianasubsp.nejapensisis native toMexico . It grows in tropical deciduous forests and xerophilous scrub at elevations between 3,790 and 5,410 foot ( 850 and 1,650 m ) around Nejapa in the northwesterly neighborhood .
Mammillaria karwinskianasubsp.nejapensis , also have a go at it asMammillaria nejapensis , is a smallcactuswith unripe to blueish - unripened stem with pyramidal , spirally arrangedtubercles . The stems are spherical to slightly columnar and can grow up to 6 inches ( 15 cm ) marvellous and 3 inches ( 7.5 cm ) in diameter . They can besolitary , slow basally branching , ordichotomouslybranching . The tubercles have bunch of back and tuft of white hair at the peak , as well as long white bristle in the axils . Initially , the spines are cream to reddish with chocolate-brown tip , but they become silvery white with age . They are straight to slightly curved and can reach more than 2 inches ( 5 cm ) long . Eachareolebears 3 to 5 radial spines , and the cardinal spine are absent .
During the spring season , Mammillaria karwinskianasubsp.nejapensisproduces lily-white , funnel - shaped flowers with red - tinted midvein . The peak form a circuit around the stems , just below theapex , measuring up to 1 in ( 2.5 atomic number 96 ) in length and 0.6 inches ( 1.5 cm ) in diam . The fruit are ruby-red , lodge - shaped , and quite attractive , contain tiny brownish seeds .
In cultivation, Staten Island, New York, United States. Photo by Kira Kology. Used with permission. All rights reserved.
Light : For optimal growth of yourMammillaria karwinskianasubsp.nejapensis , ensure it is plant in an area that receive at least four hours of direct sunlight daily . If maturate indoors , locate the cactus near a bright windowpane is best . For extra lighting , it is advisable to keep it on the balcony or in the garden from outpouring to fall .
grime : To ensure proficient root aeration and drain , apply commercial cactus soil orcreate your own well - draining dirt mix .
Temperature : Mammillaria karwinskianasubsp.nejapensisis estrus - tolerant but is not a cold - hardy industrial plant . It grow best in USDA Plant Hardiness Zones 9b to 11b , with average minimum winter temperature order from 25 ° F to 50 ° atomic number 9 ( - 3.9 ° atomic number 6 to 10 ° C ) .
In habitat, Yagul, Oaxaca, Mexico. Derivative of a photo byNeptalí Ramírez Marcial. Licensed underCC BY 4.0.
Watering : Water deeply from leap to lessen , and wait until the soil dries out before tearing again . Never let your smoke sit in water , and suspendwateringwhen the plant goes dormant in the winter .
Fertilizing : During the growing time of year , Mammillaria karwinskianasubsp.nejapensisbenefits fromfertilizing . give a water - soluble fertilizer for cacti and other succulents . Suspend feeding during the winter when the plant go inactive .
Repotting : Repot the cactus into a slightly larger pot every two or three years , rather during late wintertime or former spring . However , repotting can be done at any time of the class .
generation : There are two easy manner to propagateMammillaria karwinskianasubsp.nejapensis : by seeds or by disunite offsets . The good time to absent offsets is in spring and summer . Sow the seeds in belated spring or summertime for the good results .
see more atHow to Grow and Care for Mammillaria .
Mammillaria karwinskianasubsp.nejapensisis non - toxic but has penetrative sticker , so keep it away from children and pets .
select a photo to see a larger version .
Did you get this helpful ? Share it with other succulent lover !
